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L-05-01-M02 |
1350°C Heat Resistant Clay Crucible for Fire Assay Laboratory Testing |
This 1350°C heat resistant clay crucible is a professional laboratory consumable designed for fire assay testing, mineral analysis and non-ferrous metal metallurgical experiments. With a refractoriness of 1650°C and load softening temperature of 1420°C, it maintains stable performance under high-temperature laboratory conditions.
Manufactured with controlled clay raw materials and stable chemical composition, this crucible contains no gold or silver elements, helping minimize elemental interference during sample testing. Its excellent corrosion resistance, anti-permeability performance and crack resistance provide reliable support for repeated high-temperature melting and calcination operations.
Available in ordinary and export-grade series, the crucible provides different reusable options to meet various testing frequencies in mining laboratories, metallurgical laboratories and industrial testing facilities. Its durable structure helps reduce replacement frequency and improve laboratory workflow efficiency.
This clay crucible is widely used as a core vessel for fire assay procedures and mineral composition testing. The absence of gold and silver elements reduces potential sample interference, supporting reliable precious metal and mineral grade analysis.
Suitable for high-temperature melting, calcination and pretreatment of ore and non-ferrous metal samples. The impermeable structure and slag-resistant surface help maintain stable sample processing conditions during thermal treatment.
Applied in high-temperature metallurgical experiments for non-ferrous metal processing. Its thermal stability and corrosion resistance help maintain consistent testing conditions during laboratory evaluation and process verification.
The crucible is also applicable to high-temperature testing and thermal treatment processes in industries including aerospace, power, papermaking, electronic processing and textile machinery.
With 1650°C refractoriness and 1420°C load softening temperature, the crucible supports continuous operation at 1350°C working temperature. Its thermal stability helps prevent cracking, deformation and performance loss during repeated heating cycles.
The clay formula contains no gold and silver elements, reducing the risk of elemental contamination during fire assay and mineral testing. Combined with anti-permeability and slag-resistant properties, it helps maintain a cleaner testing environment.
The ordinary series supports 2-3 times reuse, while the export series supports 3-5 times reuse. Stable repeated-use performance helps laboratories reduce consumable replacement frequency and improve operational efficiency.
Designed for conventional fire assay, mineral analysis and metallurgical testing procedures, this crucible integrates into existing laboratory workflows without additional process adjustment.
The crucible provides strong resistance against corrosion, slag adhesion, penetration and cracking, supporting reliable operation in demanding high-temperature laboratory environments.
| Max Working Temperature | 1350°C |
| Refractoriness | 1650°C |
| Load Softening Temperature | 1420°C |
| Al₂O₃ | 45% - 55% |
| SiO₂ | 38% - 56% |
| Fe₂O₃ | ≤1% |
| Reusable Times (Ordinary Series) | 2-3 times |
| Reusable Times (Export Series) | 3-5 times |
| Core Performance | High fire resistance, corrosion resistant, slag-free, impermeable, crack-proof, no gold and silver element contained |
FKN PANDA supplies professional laboratory clay crucibles for global mining laboratories, metallurgical enterprises and industrial testing facilities. We focus on reliable high-temperature performance, stable chemical composition and practical reusability for fire assay and mineral testing applications.
Our heat resistant clay crucibles are produced with controlled raw material proportions and standardized manufacturing processes to maintain consistent physical properties and testing reliability. The ordinary and export-grade series provide flexible solutions for different laboratory operation frequencies.
With durable performance, workflow compatibility and cost-effective reusable design, FKN PANDA supports global distributors, mine enterprises and testing institutions with stable supply capability and reliable laboratory consumable solutions.
Q1. How to select 1350℃ high-temperature clay crucibles for different ore fusion temperatures in mineral testing laboratories?
Selecting 1350℃ high-temperature clay crucibles requires consideration of the fusion temperature, ore characteristics, flux composition, and fire assay procedure requirements. In mining laboratories, these crucibles are typically evaluated according to their thermal stability and compatibility with high-temperature fusion workflows. For precious metal analysis, suitable crucible selection helps maintain stable processing conditions from sample preparation to metallurgical evaluation. Laboratories should also consider furnace operating conditions, crucible size, and expected testing volume when establishing equipment configurations for new laboratory setup or continuous analytical operations.
Q2. What are the critical thermal stability specifications for 1350℃ clay crucibles in mining laboratory applications?
Thermal stability is a key factor when selecting clay crucibles for high-temperature mineral testing applications. During fire assay and fusion procedures, crucibles must withstand repeated heating cycles while maintaining structural reliability under elevated temperatures. Laboratory managers should evaluate the crucible's temperature capability, material characteristics, resistance to thermal stress, and compatibility with the intended fusion process. Proper selection supports consistent sample processing and reduces operational risks during continuous fire assay workflows involving gold, silver, and other mineral analysis applications.
Q3. Can high-temperature clay crucibles maintain structural integrity during extended fire assay fusion cycles above 1200℃?
1350℃ high-temperature clay crucibles are designed for applications requiring elevated temperature performance, including demanding fire assay workflows. Their ability to maintain structural integrity during extended operations depends on factors such as heating procedures, flux chemistry, handling practices, and actual laboratory conditions. In mining laboratories conducting repeated fusion cycles, appropriate crucible selection and controlled operating procedures help support reliable sample preparation and recovery processes. Laboratories should evaluate crucible performance according to their specific testing requirements and workflow conditions.
Q4. How does enhanced clay crucible composition affect sample contamination levels in high-temperature precious metal analysis?
Crucible composition can influence material compatibility and sample preparation consistency during high-temperature precious metal analysis. In fire assay workflows, laboratories must consider interactions between the crucible material, ore sample, and flux system to maintain reliable analytical conditions. A suitable 1350℃ clay crucible configuration helps support stable fusion procedures and reduces potential risks associated with inappropriate material selection. For contamination-sensitive applications, laboratories should integrate crucible selection into their overall quality control approach, from sample preparation through mineral testing and metallurgical evaluation.
Q5. Which 1350℃ clay crucible size specifications are optimal for high-temperature fire assay furnaces in mining exploration?
The appropriate crucible size depends on sample quantity, fusion requirements, furnace configuration, and laboratory workflow. Mining exploration laboratories typically select 1350℃ clay crucibles based on their fire assay procedures and expected sample throughput. A suitable size helps maintain effective heating conditions and provides practical handling during high-temperature operations. When establishing or expanding a mineral testing laboratory, crucible dimensions should be matched with existing furnace systems and analytical requirements to support efficient sample preparation and repeatable testing procedures.
Q6. How to configure high-temperature clay crucible systems for demanding gold and silver ore fire assay test work?
Configuring a high-temperature clay crucible system for gold and silver ore fire assay requires consideration of sample volume, furnace compatibility, operating temperature, and workflow organization. Laboratories processing large numbers of samples should evaluate crucible selection together with inventory planning, handling procedures, and testing schedules. A properly configured system supports the complete laboratory workflow from ore sample preparation to mineral testing and metallurgical evaluation. The selection process should focus on operational reliability, process consistency, and compatibility with the laboratory's specific analytical requirements.
Q7. What are the differences between standard clay and 1350℃ high-temperature clay crucibles for different fusion procedures?
The main difference between standard clay and 1350℃ high-temperature clay crucibles relates to their intended operating conditions and thermal performance requirements. High-temperature clay crucibles are selected for applications where elevated fusion temperatures require additional thermal stability. Different ore types, flux systems, and metallurgical testing procedures may require different crucible characteristics. Mining laboratories should evaluate their fire assay methods, furnace conditions, and long-term operational needs when deciding whether to upgrade from standard crucibles to high-temperature alternatives.
Q8. How do 1350℃ clay crucible designs improve sample recovery efficiency during extreme temperature cupellation processes?
During high-temperature cupellation and fire assay workflows, crucible design and material properties contribute to stable sample processing conditions. A suitable 1350℃ clay crucible helps maintain structural reliability during fusion stages, supporting effective handling and sample recovery procedures. In precious metal analysis laboratories, consistent crucible performance is important for maintaining repeatable workflows from initial ore preparation to final metallurgical evaluation. Selection should consider temperature requirements, process conditions, and laboratory operating practices to support reliable analytical procedures.
Q9. Can 1350℃ clay crucibles accommodate both oxidizing and reducing fusion conditions in high-temperature mining laboratories?
The suitability of 1350℃ clay crucibles for oxidizing or reducing fusion conditions depends on the specific fusion process, flux chemistry, and laboratory requirements. Mining laboratories should evaluate crucible compatibility with the chemical environment created during testing procedures. For different ore materials and metallurgical applications, including precious metal analysis, selecting appropriate crucible materials helps maintain stable high-temperature processing conditions. Proper matching between crucible characteristics and analytical workflow supports consistent sample preparation and reliable mineral testing results.
Q10. What are the replacement frequency considerations for 1350℃ clay crucibles in continuous high-temperature operations?
Replacement frequency for 1350℃ clay crucibles depends on operating temperature, fusion cycle frequency, sample characteristics, handling methods, and overall laboratory usage conditions. In continuous fire assay operations, laboratories should regularly inspect crucibles for signs of wear, cracking, or structural changes that may affect workflow reliability. Establishing a practical inventory management and replacement plan helps maintain uninterrupted mineral testing operations. For laboratory expansion or high-volume analytical environments, monitoring crucible usage conditions supports stable sample preparation and long-term operational planning.
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